{"instruction": "You are an expert in named entity recognition. Please extract entities that match the schema definition from the input. Return an empty list if the entity type does not exist. Please respond in the format of a JSON string.", "schema": ["Chemical", "Disease"], "input": "CB 3717 , N10 - propargyl - 5 , 8 - dideazafolic acid , is a tight - binding inhibitor of thymidylate synthase ( TS ) whose cytotoxicity is mediated solely through the inhibition of this enzyme ."}
{"Chemical": ["CB 3717", "N10 - propargyl - 5 , 8 - dideazafolic acid"], "Disease": ["cytotoxicity"]}